This section of the website allows you to choose a type of monitoring site, and then details for individual sites. Once you have chosen a site, its location will appear on the map above.

Choose a different type of monitoring site:

Hydocarbon Diffusion Tube sites (8 Sites)

NO2 Diffusion Tube sites (872 Sites)

O3 Diffusion Tube sites (6 Sites)

SO2 Diffusion Tube sites (9 Sites)

Non-Automatic Monitoring Sites in Wales

O3 Diffusion Tube sites

« Return to Non Automatic Data Menu

The following sites are in the O3 Diffusion Tube sites network. For more information including data, graphs and site photos, click on a monitoring site from the list below.

Site Name	Date Started	Date Ended
Pendam (background)	30/09/1995	-
028 Terrace Rd, Aberystwyth	30/09/1995	-
Tregaron	30/11/1998	-
High St, Lampeter	30/09/1995	-
High St, Cardigan	30/09/1995	-
Adpar, Newcastle Emlyn	30/04/1998	-

Air Quality in Wales

Website of the Welsh Air Quality Forum

Non-Automatic Monitoring Sites in Wales

O3 Diffusion Tube sites